News tagged with massive stars

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Cygnus-X: the cool swan glowing in flight

(Phys.org) -- Chaotic networks of dust and gas signpost the next generations of massive stars in this stunning new image of the Cygnus-X star-nursery captured by ESA’s Herschel space observatory.  ...

May 10, 2012
4.2 / 5 (5) 0

Diagnosing a black hole flare

(Phys.org) -- Black holes can come in a wide range of masses. Some, with only about one solar mass, result from the supernova death of a massive star, while those at the center of galaxies (called supermassive ...

May 07, 2012
5 / 5 (4) 0 | with audio podcast

Old star, new trick

The Big Bang produced lots of hydrogen and helium and a smidgen of lithium. All heavier elements found on the periodic table have been produced by stars over the last 13.7 billion years. Astronomers analyze starlight to determine ...

Apr 30, 2012
5 / 5 (10) 30 | with audio podcast

Did exploding stars help life on Earth to thrive?

(Phys.org) -- Research by a Danish physicist suggests that the explosion of massive stars – supernovae – near the Solar System has strongly influenced the development of life. Prof. Henrik Svensmark ...

Apr 24, 2012
4.3 / 5 (6) 20 | with audio podcast

The lives of stars, or astronomers as paparazzi

Stars live for a long time, with even the most massive stars having lifetimes measured in millions of years. But, for a mere few thousand years towards the end of their lives, some massive stars go through ...

Apr 17, 2012
4 / 5 (2) 0

A star explodes, turns inside-out

(PhysOrg.com) -- A new X-ray study of the remains of an exploded star indicates that the supernova that disrupted the massive star may have turned it inside out in the process. Using very long observations ...

Mar 29, 2012
4.8 / 5 (14) 7 | with audio podcast

Watching a star explode

NASA's Astronomy Picture of the Day for March 22 features a snapshot of a supernova - a massive star explosion - discovered only a week ago.

Mar 23, 2012
4.4 / 5 (10) 3

Ultra-luminous x-ray sources

(PhysOrg.com) -- An ultra-luminous X-ray source (ULX) emits more radiation in the X-rays than do a million suns at all wavelengths. ULXs are rare: Most galaxies, including our own Milky Way, have none, and ...

Mar 19, 2012
5 / 5 (7) 1 | with audio podcast

Stars made from galactic recycling material

(PhysOrg.com) -- Ordinary galaxies such as our own Milky Way contain a plethora of gas and dust. Nevertheless, there is not nearly enough matter to explain how galaxies produce new stars at the observed rates ...

Mar 15, 2012
5 / 5 (3) 6 | with audio podcast

Hubble views grand star-forming region

(PhysOrg.com) -- This massive, young stellar grouping, called R136, is only a few million years old and resides in the 30 Doradus Nebula, a turbulent star-birth region in the Large Magellanic Cloud, a satellite ...

Mar 09, 2012
5 / 5 (2) 1 | with audio podcast